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A c. 1767 portrait by Thomas King of the English clockmaker John Harrison (1693-1776) who invented the marine chronometer to accurately measure longitude. The chronometer he is holding is the H3, one of a series of five watches he made. (Science Museum, London)
Original image by Science Museum, London. Uploaded by Mark Cartwright, published on 10 March 2023. The copyright holder has published this content under the following license: Creative Commons Attribution-NonCommercial-ShareAlike. This license lets others remix, tweak, and build upon this content non-commercially, as long as they credit the author and license their new creations under the identical terms. When republishing on the web a hyperlink back to the original content source URL must be included. Please note that content linked from this page may have different licensing terms.
London, S. M. (2023, March 10). Portrait of John Harrison.
World History Encyclopedia. Retrieved from https://www.worldhistory.org/image/17188/portrait-of-john-harrison/
Chicago Style
London, Science Museum,. "Portrait of John Harrison."
World History Encyclopedia. Last modified March 10, 2023.
https://www.worldhistory.org/image/17188/portrait-of-john-harrison/.
MLA Style
London, Science Museum,. "Portrait of John Harrison."
World History Encyclopedia. World History Encyclopedia, 10 Mar 2023. Web. 27 Mar 2023.